A Scalable Microservices Architecture for Banking and Enterprise Payment Systems Using Spring Boot, RESTful APIs, and AI-Driven Load Optimization
Abstract
The rapid evolution of enterprise systems demands architectures that are not only highly available and fault-tolerant but also intelligent enough to adapt dynamically to fluctuating workloads and business demands. Traditional monolithic architectures, while straightforward to develop initially, suffer from critical limitations including tight coupling, difficulty in independent deployment, and poor horizontal scalability, making them unsuitable for modern enterprises that require continuous delivery and high resilience. The proposed architecture decomposes enterprise applications into loosely coupled, independently deployable microservices, each encapsulating a distinct business capability and communicating through well-defined RESTful APIs that adhere to REST constraints such as statelessness, uniform interface, and resource-based interactions. Spring Boot serves as the foundational framework, providing convention-over-configuration principles, embedded server capabilities, and seamless integration with the broader Spring ecosystem — including Spring Cloud for service discovery, API gateway management, distributed configuration, and circuit-breaking patterns — thereby significantly reducing boilerplate and accelerating service development cycles.
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